23481713897 has 4 divisors (see below), whose sum is σ = 23482075476. Its totient is φ = 23481352320.

The previous prime is 23481713891. The next prime is 23481713903. The reversal of 23481713897 is 79831718432.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23481713891) and next prime (23481713903).

It can be written as a sum of positive squares in 2 ways, for example, as 6365486656 + 17116227241 = 79784^2 + 130829^2 .

It is a cyclic number.

It is not a de Polignac number, because 23481713897 - 2⁴ = 23481713881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23481713891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53504 + ... + 223217.

It is an arithmetic number, because the mean of its divisors is an integer number (5870518869).

Almost surely, 2^23481713897 is an apocalyptic number.

It is an amenable number.

23481713897 is a deficient number, since it is larger than the sum of its proper divisors (361579).

23481713897 is an equidigital number, since it uses as much as digits as its factorization.

23481713897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361578.

The product of its digits is 2032128, while the sum is 53.

The spelling of 23481713897 in words is "twenty-three billion, four hundred eighty-one million, seven hundred thirteen thousand, eight hundred ninety-seven".